Hans J. Schoennagel
21Patents
10h-index
15Co-inventors
68Inventor score
Filing activity: Mar 14, 1977 → Nov 8, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4298453A | Coal conversion | Chemistry; Metallurgy | 61 | Expired |
| US4547613S | Process for converting olefins to high viscosity index lubricants | Performing Operations; Transporting | 32 | Expired |
| US4316794A | Direct conversion of residual oils | Chemistry; Metallurgy | 29 | Expired |
| US4657874A | Redispersion of agglomerated noble metals on zeolite catalysts | Performing Operations; Transporting | 27 | Expired |
| US4762010A | Apparatus and method for adsorption and desorption studies, particularly for characterization of catalysts | Physics | 26 | Expired |
| US4359400A | Catalyst regeneration procedure | Performing Operations; Transporting | 25 | Expired |
| US5041401A | Thermally stable noble metal-containing zeolite catalyst | Performing Operations; Transporting | 14 | Expired |
| US4480145A | Catalysts for the conversion of methanol to ethylene plus gasoline | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4304951A | Hydrotreating of bottoms fractions resulting from conversion of methanol to gasoline in order to decrease durene and produce distillate | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4518708A | Pretreatment of a fresh iridium-containing catalyst | Chemistry; Metallurgy | 11 | Expired |
| US4108758A | Conversion of coal into liquid fuels | Chemistry; Metallurgy | 9 | Expired |
| US4264428A | Conversion of coal into liquid fuels | Chemistry; Metallurgy | 6 | Expired |
| US4288348A | Separately supported polymetallic reforming catalyst | Chemistry; Metallurgy | 6 | Expired |
| US4276152A | Reforming of sulfur-containing charge stock | Chemistry; Metallurgy | 5 | Expired |
| US4264475A | Bimetallic reforming catalyst containing separate platinum-containing and iridium-containing particles | Chemistry; Metallurgy | 5 | Expired |
| US4261810A | Startup procedure for reforming catalysts | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4978441A | Laboratory FCC riser and particulate delivery system therefor | Performing Operations; Transporting | 4 | Expired |
| US5395597A | Solids feeder with integrated supply of carrier gas | Performing Operations; Transporting | 2 | Expired |
| US4349433A | Separately supported polymetallic reforming catalyst | Performing Operations; Transporting | 2 | Expired |
| US4263134A | Reforming catalyst of separate platinum-containing and iridium-containing particles | Performing Operations; Transporting | 2 | Expired |
| USRE31647E | Startup procedure for reforming catalysts | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.